What quantity,in moles,of oxygen is consumed when 369.3 kJ of energy is evolved from the combustion of a mixture of H2(g) and O2(g) ?
H2(g) + 
O2(g) H2O(l) ; rH° = -285.8 kJ/mol-rxn
A) 0.6461 mol
B) 1.292 mol
C) 0.3869 mol
D) 1.146 mol
E) 0.1461 mol
Correct Answer:
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